Here is the full list of all 24 Bionic Heart achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Happy Ending aka master fanservice ending!
You escape to Mars
Tanya had a soul too
Tanya loves Luke
Not an illusion
Luke marries Tanya
Bionic... hearts
Mark & Julia
A new dawn
Julia the fortune-teller
Richard's menace
Tanya is a serial killer
Luke is killed by Julia
Luke and Tina prisoners
Tanya kidnaps Luke
Luke tries to shoot Tanya
Jealous Tanya kills Helen
Luke the great scientist
Luke's sacrifice
Luke ends his life in jail
Luke becomes a robot
Tanya kills Luke
Tanya is arrested by police
Luke never meets Tanya